.security-dialog {
    --security-bg: var(--ui-surface, #fff);
    position: fixed;
    inset: 0;
    margin: auto;
    width: min(420px, calc(100% - 28px));
    max-height: calc(100dvh - 28px);
    overflow: auto;
    border: 1px solid var(--ui-line, #e5e8ee);
    border-radius: 18px;
    padding: 30px;
    background: var(--security-bg);
    color: var(--ui-text, #20242e);
    font-family: var(--ui-font, Arial, sans-serif);
    box-shadow: 0 24px 80px #0004;
}
.security-dialog::backdrop {
    background: #111827a8;
    backdrop-filter: blur(5px);
}
.security-dialog [hidden] {
    display: none !important;
}
.security-dialog h2 {
    margin: 12px 0;
    font-size: 24px;
    line-height: 1.3;
}
.security-dialog p {
    margin: 0 0 16px;
    line-height: 1.7;
    font-size: 13px;
}
.security-dialog .security-eyebrow {
    color: var(--ui-accent, #dd4336);
    font-size: 10px;
    font-weight: 750;
    letter-spacing: 1.7px;
    margin: 0;
}
.security-close {
    position: absolute;
    top: 10px;
    right: 12px;
    width: 36px;
    height: 36px;
    font-size: 27px;
    background: none;
    border: 0;
    color: inherit;
    cursor: pointer;
}
.security-picture {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 112px;
    border-radius: 11px;
    background: #f3f5fa;
    overflow: hidden;
    color: #566174;
}
.security-picture img {
    max-width: 100%;
    object-fit: contain;
}
.security-picture span {
    padding: 16px;
    font-size: 13px;
}
.security-refresh {
    margin: 10px 0 20px;
    padding: 8px 0;
    font-size: 12px;
    color: var(--ui-accent, #dd4336);
    border: 0;
    background: none;
    cursor: pointer;
}
.security-dialog label {
    display: block;
    font-size: 12px;
    margin-bottom: 8px;
    font-weight: 650;
}
.security-dialog input {
    width: 100%;
    min-height: 50px;
    border: 1px solid var(--ui-line, #e5e8ee);
    border-radius: 9px;
    padding: 10px 14px;
    font: 700 22px monospace;
    text-transform: uppercase;
    letter-spacing: 7px;
    background: var(--ui-soft, #f5f6f8);
    color: inherit;
}
.security-dialog input:focus-visible {
    outline: 2px solid var(--ui-accent, #dd4336);
    outline-offset: 3px;
}
.security-dialog #security-error {
    color: var(--ui-danger, #cc3c43);
    margin: 12px 0;
    min-height: 20px;
    font-size: 12px;
}
.security-submit {
    display: block;
    width: 100%;
    min-height: 48px;
    padding: 12px;
    border: 0;
    border-radius: 9px;
    background: #dd4336;
    color: white;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}
.security-submit:disabled {
    opacity: 0.55;
    cursor: wait;
}
.security-dialog small {
    display: block;
    margin-top: 16px;
    text-align: center;
    font-size: 10px;
    color: var(--ui-muted, #737c8d);
    line-height: 1.6;
}
@media (max-width: 440px) {
    .security-dialog {
        padding: 26px 20px;
    }
}